W83697HF Datasheet, PDF (6/167 Pages) Winbond – WINBOND I/O

W83697HF/F
9.2.1 LPC interface............................................................................................................................................................ 82
9.3 ANALOG INPUTS ............................................................................................................................................................ 84
9.3.1 Monitor over 4.096V voltage:...............................................................................................................................84
9.3.2 Monitor negative voltage:.....................................................................................................................................85
9.3.3 Temperature Measurement Machine....................................................................................................................86
9.4 FAN SPEED COUNT AND FAN SPEED CONTROL.................................................................................................. 87
9.4.1 Fan speed count .......................................................................................................................................................87
9.4.2 Fan speed control....................................................................................................................................................89
9.5 SMI# INTERRUPT MODE.............................................................................................................................................. 90
9.5.1 Voltage SMI# mode :...............................................................................................................................................90
9.5.2 Fan SMI# mode :......................................................................................................................................................90
9.5.3 Temperature SMI# mode.........................................................................................................................................91
9.5.4 The W83697HF temperature sensor 2 and sensor 3 SMI# interrupt has two modes and it is programmed
at CR[4Ch] bit 6......................................................................................................................................................92
9.6 OVT# INTERRUPT MODE.............................................................................................................................................. 93
9.7 REGISTERS AND RAM................................................................................................................................................... 94
9.7.1 Address Register (Port x5h)...................................................................................................................................94
9.7.2 Data Register (Port x6h)........................................................................................................................................97
9.7.3 Configuration Register ¾ Index 40h.....................................................................................................................97
9.7.4 Interrupt Status Register 1¾ Index 41h................................................................................................................98
9.7.5 Interrupt Status Register 2 ¾ Index 42h...............................................................................................................98
9.7.6 SMI# Mask Register 1 ¾ Index 43h.......................................................................................................................99
9.7.7 SMI# Mask Register 2 ¾ Index 44h.......................................................................................................................99
9.7.8 Reserved Register ¾ Index 45h........................................................................................................................... 100
9.7.9 Chassis Clear Register -- Index 46h .................................................................................................................. 100
9.7.10 VID/Fan Divisor Register ¾ Index 47h........................................................................................................... 100
9.7.11 Value RAM ¾ Index 20h- 3Fh or 60h - 7Fh (auto-increment) ................................................................... 101
9.7.12 Device ID Register - Index 49h......................................................................................................................... 102
9.7.13 Pin Control Register - Index 4Bh .................................................................................................................... 102
9.7.14 SMI#/OVT# Property Select Register- Index 4Ch ........................................................................................ 103
9.7.15 FAN IN/OUT and BEEP Control Register- Index 4Dh ................................................................................ 103
9.7.16 Register 50h ~ 5Fh Bank Select Register - Index 4Eh (No Auto Increase)............................................. 104
9.7.17 Winbond Vendor ID Register - Index 4Fh (No Auto Increase) .................................................................. 105
9.7.18 Winbond Test Register -- Index 50h - 55h (Bank 0).................................................................................... 105
9.7.19 BEEP Control Register 1-- Index 56h (Bank 0)........................................................................................... 105
Publication Release Date: Feb. 2002
- IV -
Revision 0.70